<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | {%title%}（由 addon:crud 生成，可按需修改）
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace {%namespace%};

use think\facade\Request;
use think\Validate;
use ywxapp\controller\BackendBase;
// 模型与控制器同名，必须用别名导入，否则「类名已占用」编译错误
use {%modelNs%} as {%modelAlias%};

/**
 * {%title%}
 *
 * 权限节点（menu.json 注入后由 php think addon:manage <插件> -a reload 生效）：
 *   列表   index
 *   新增   add
 *   编辑   update
 *   删除   delete
 */
class {%className%} extends BackendBase
{
    /**
     * 免登录动作
     * @var array
     */
    protected $noNeedLogin = [];

    /**
     * 免鉴权动作
     * @var array
     */
    protected $noNeedVerify = [];

    protected function initialize()
    {
        parent::initialize();
    }

    /**
     * 列表（AJAX 返回 layui 表格数据）
     */
    public function index()
    {
        if ($this->request->isAjax()) {
            $page  = (int) $this->request->param('page', 1);
            $limit = (int) $this->request->param('limit', 15);
            $query = {%modelAlias%}::where('{%pk%}', '>', 0);{%search%}
            $data = $query->order('{%pk%}', 'desc')->paginate([
                'page'      => $page,
                'list_rows' => $limit,
            ]);
            // 必须回传 count，否则 layui 表格分页失效
            return json(['code' => 0, 'msg' => '', 'count' => $data->total(), 'data' => $data->items()]);
        }
        return $this->view->fetch('{%viewDir%}/index');
    }

    /**
     * 新增
     */
    public function add()
    {
        return $this->saveRow(0);
    }

    /**
     * 更新
     */
    public function update()
    {
        return $this->saveRow((int) Request::post('id', 0));
    }

    /**
     * 删除（软删除字段存在时为软删除）
     */
    public function delete()
    {
        $id = (int) Request::post('id', 0);
        if ($id <= 0) {
            return json(['code' => 0, 'msg' => '参数错误']);
        }
        $row = {%modelAlias%}::find($id);
        if (!$row) {
            return json(['code' => 0, 'msg' => '记录不存在']);
        }
        $row->delete();
        return json(['code' => 1, 'msg' => '已删除']);
    }

    /**
     * 写入（新增 / 更新共用）
     */
    protected function saveRow(int $id)
    {
        $data = Request::post();

        $validate = new Validate([{%rules%}]);
        if (!$validate->check($data)) {
            return json(['code' => 0, 'msg' => $validate->getError()]);
        }

        // 字段白名单，避免把非表字段写进 SQL
        $allow = [{%allow%}];

        try {
            if ($id > 0) {
                $row = {%modelAlias%}::find($id);
                if (!$row) {
                    return json(['code' => 0, 'msg' => '记录不存在']);
                }
                $row->allowField($allow)->save($data);
            } else {
                {%modelAlias%}::create($data, $allow);
            }
        } catch (\Throwable $e) {
            return json(['code' => 0, 'msg' => '保存失败：' . $e->getMessage()]);
        }

        return json(['code' => 1, 'msg' => '保存成功']);
    }
}